/*  
 *  Copyright 2006 Paul Jack.
 *
 *  This file is part of the Dex compiler suite. 
 *  
 *  Dex is free software; you can redistribute it and/or modify it
 *  under the terms of the GNU General Public License as published by the
 *  Free Software Foundation; either version 2 of the License, or (at your
 *  option) any later version.
 *  
 *  Dex is distributed in the hope that it will be useful, but
 *  WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 *  Public License for more details.
 *  
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */
package dex.compiler.model.statement;


import dex.compiler.model.base.Place;
import dex.compiler.model.expression.Expression;


/**
 * A decrement assignment, like <code>i--</code>.
 * The statement simply consists of an lvalue which is to be decreased
 * by 1.  See {@link Assignment} for restrictions on what a Dex lvalue
 * can contain.
 */
public class DecrementStatement extends Statement {
	

	/**
	 * The thing being decremented.
	 */
	private Expression lvalue;
	

	/**
	 * Constructs a new DecrementStatement.
	 * 
	 * @param place  the place the decrement statement originated
	 * @param lvalue  the thing being decremented
	 */
	public DecrementStatement(Place place, Expression lvalue) {
		super(place);
		this.lvalue = lvalue;
	}

	@Override
	public String toString() {
		return lvalue + "--";
	}


	/**
	 * Returns the lvalue of the thing being decremented.
	 * 
	 * @return  the lvalue
	 */
	public Expression getLValue() {
		return lvalue;
	}


	@Override
	public boolean terminates() {
		return false;
	}

}
